Title:
Filter construction
United States Patent 2479722
US Patent References:
Air filter
- - 1863015

Dust filter for radiator covers
- - 1880552

Armored filter element
- - 1883715

Filter
- - 2002936

Gas filter
- - 2050508


Inventors:
Brixius, Jacob K.
Publication Date:
08/23/1949
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Assignee:
AIR MAZE CORP
Primary Class:
55/499
Other Classes:
55/501
International Classes:
B01D46/52
US Patent References:
2074294Filter
2405293Open-faced air filter frame